Short-term Investments

v2.4.0.6

Short-term Investments	9 Months Ended
	Dec. 31, 2012
Short-term Investments [Abstract]
Short-term Investments	Short-term Investments The following table presents short-term investments as of December 31, 2012 and March 31, 2012: (in thousands) December 31, 2012   March 31, 2012 Certificates of deposit $ 4,662   $ 6,061 Held-to-maturity, pre-refunded municipal bonds 20,561   8,394 Total investments $ 25,223   $ 14,455 The fair value of investments approximates their carrying amounts due to the short-term nature of these financial assets.